... SheetThermal insulation; High and low temperature acoustic insulation; Well in high& low temperature conditions, used to punch oil seals and washers ... .100% food grade silicone with FDA & LFGB approved2. Temperature: -40~230 centigrade3. Safe for dishware,microware, oven, ... Non-stick finish6. Flexible, lightweight and portable, easy to store and transport7. Durable, long-standing, long life time8 ...